. . . . . . . . . . . . "[Several mutations in presenilin 1 (PSEN1), presenilin 2 (PSEN2), and amyloid-beta precursor protein are involved in the etiology of familial AD (FAD); these mutations alter the Abeta(42/40) ratio and promote apoptosis.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2014-02-25"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2014-10-02T12:33:43+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .